34.下列何種手動器械(hand instruments)屬於excavator?①ordinary hatchets ②hoes ③angle formers
④chisel
(A)僅①②③
(B)僅②③④
(C)僅①②④
(D)①②③④
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統計: A(576), B(35), C(210), D(384), E(0) #2041991
統計: A(576), B(35), C(210), D(384), E(0) #2041991